- iPhone owners are noticing the new update temporally requires close to 6 GB of space. - While the operating system itself is around 1-gigabyte it needs the ‘breathing room’ to install. Users are advised to plug the phone into a computer and update via iTunes.

Warning 2: Bugs

- As is common with software updates iOS8 is coming with its fair share of teething problems.- One bug has meant Apple have withhold its highly touted HealthKit apps. They hope to have it restored by the end of the month.

Warning 3: Allow time for the installation- Users are also saying that the update is taking a long time to download and install.- Not much we can do to help you there apart from these articles that might help pass the time: